Volume 100, Number 3, November 2012
|Number of page(s)||6|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||13 November 2012|
Condensation phase transition in nonlinear fitness networks
1 Institute of Theoretical Physics and Department of Physics, East China Normal University Shanghai 200241, PRC
2 School of Physics, Nankai University - Tianjin 300371, PRC
3 Department of Physics, Shanghai Normal University - Shanghai 200230, PRC
Received: 13 July 2012
Accepted: 16 October 2012
We analyze the condensation phase transitions in out-of-equilibrium complex networks in a unifying framework which includes the nonlinear model and the fitness model as its appropriate limits. We show a novel phase structure which depends on both the fitness parameter and the nonlinear exponent. The occurrence of the condensation phase transitions in the dynamical evolution of the network is demonstrated by using Bianconi-Barabási method. We find that the nonlinear and the fitness preferential-attachment mechanisms play important roles in the formation of an interesting phase structure.
PACS: 89.75.-k – Complex systems / 89.75.Hc – Networks and genealogical trees / 05.65.+b – Self-organized systems
© EPLA, 2012
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